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Case study ChatHQ

How ChatHQ built its agency communication app on n8n

ChatHQ, a platform that combines team chat, customer support and project management for digital agencies, used n8n as its backend workflow engine behind a custom-built interface. The CTO says this saved a large amount of development time and removed limits on customization.

The problem

The founders came from agency backgrounds and saw that agencies spread communication across channels and silos, used too many apps across the client lifecycle, and struggled to share project updates. They wanted one product covering leads, clients and projects, but building it with custom code looked slow and would have delayed launch.

How they did it

  1. Evaluate no-code automation tools and choose n8n because its source code is available and allows deep customization.
  2. Build a completely new user interface that talks only to the n8n backend.
  3. Create and host custom nodes in n8n to supply functionality that the standard nodes do not provide.
  4. Ship a web-chat widget that sends leads and support requests into the integrated CRM, HighLevel.
  5. Offer a team and client chat app plus a shared place for project updates and conversations.

Results

  • As reported by n8n, the CTO says that without n8n building ChatHQ would probably have taken a year of coding, hurting time-to-market goals.
  • As reported by n8n, product development moved faster from prototype to complete product.
  • As reported by n8n, custom node development lets the team ship new features without extensive rebuilds.

As reported by the source (n8n customer story); AgentGid did not measure these figures.

Takeaway. If a product needs heavy customization, a source-available workflow engine with custom nodes can serve as the backend while you build your own front end.
AgentGid's take

This approach suits a small, technical team that can build and maintain its own front end and write custom n8n nodes, since the work is advanced. The one-year saving is the CTO's claim as reported by n8n, so treat it as unverified. Self-hosting n8n is free, but its licence is source-available rather than open source; Dify (Free, open source) is a cheaper-to-check alternative.

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